1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.shopping.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portlet.shopping.model.ShoppingItem;
27  
28  /**
29   * <a href="ItemSKUComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class ItemSKUComparator extends OrderByComparator {
34  
35      public static String ORDER_BY_ASC = "categoryId ASC, sku ASC";
36  
37      public static String ORDER_BY_DESC = "categoryId DESC, sku DESC";
38  
39      public static String[] ORDER_BY_FIELDS = {"categoryId", "sku"};
40  
41      public ItemSKUComparator() {
42          this(false);
43      }
44  
45      public ItemSKUComparator(boolean asc) {
46          _asc = asc;
47      }
48  
49      public int compare(Object obj1, Object obj2) {
50          ShoppingItem item1 = (ShoppingItem)obj1;
51          ShoppingItem item2 = (ShoppingItem)obj2;
52  
53          Long categoryId1 = new Long(item1.getCategoryId());
54          Long categoryId2 = new Long(item2.getCategoryId());
55  
56          int value = categoryId1.compareTo(categoryId2);
57  
58          if (value == 0) {
59              value = item1.getSku().compareTo(item2.getSku());
60          }
61  
62          if (_asc) {
63              return value;
64          }
65          else {
66              return -value;
67          }
68      }
69  
70      public String getOrderBy() {
71          if (_asc) {
72              return ORDER_BY_ASC;
73          }
74          else {
75              return ORDER_BY_DESC;
76          }
77      }
78  
79      public String[] getOrderByFields() {
80          return ORDER_BY_FIELDS;
81      }
82  
83      public boolean isAscending() {
84          return _asc;
85      }
86  
87      private boolean _asc;
88  
89  }